Hammer head



FIG. 1 is a perspective view of a hammer head showing the new design;

FIG. 2 is a side profile view of the hammer head of FIG. 1;

FIG. 3 is a frontal view of the hammer head of FIG. 1;

FIG. 4 is a top plan view of the hammer head of FIG. 1; and,

FIG. 5 is a bottom plan view of the hammer head of FIG. 1.

The broken line portions of the hammer head are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a hammer head, as shown and described.